- add listbox

 - add listbox example to python (press space, use 1..5)
 - fix label text positions

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/gui/elistbox.h b/lib/gui/elistbox.h
new file mode 100644
index 00000000..ac45a332
--- /dev/null
+++ b/lib/gui/elistbox.h
@@ -0,0 +1,66 @@
+#ifndef __lib_listbox_h
+#define __lib_listbox_h
+
+#include <lib/gui/ewidget.h>
+#include <connection.h>
+
+class iListboxContent: public iObject
+{
+public:
+		/* indices go from 0 to size().
+		   the end is reached when the cursor is on size(), 
+		   i.e. one after the last entry (this mimics 
+		   stl behaviour)
+		   
+		   cursors never invalidate - they can become invalid
+		   when stuff is removed. Cursors will always try
+		   to stay on the same data, however when the current
+		   item is removed, this won't work. you'll be notified
+		   anyway. */
+		  
+	virtual void cursorHome()=0;
+	virtual void cursorEnd()=0;
+	virtual int cursorMove(int count=1)=0;
+	virtual int cursorValid()=0;
+	virtual int cursorSet(int n)=0;
+	virtual int cursorGet()=0;
+	
+	virtual void cursorSave()=0;
+	virtual void cursorRestore()=0;
+	
+	virtual int size()=0;
+	
+	virtual RESULT connectItemChanged(const Slot0<void> &itemChanged, ePtr<eConnection> &connection)=0;
+	
+	// void setOutputDevice ? (for allocating colors, ...) .. requires some work, though
+	virtual void setSize(const eSize &size)=0;
+	
+		/* the following functions always refer to the selected item */
+	virtual void paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)=0;
+};
+
+class eListbox: public eWidget
+{
+public:
+	eListbox(eWidget *parent);
+	void setContent(iListboxContent *content);
+	
+	void moveSelection(int how);
+	enum {
+		moveUp,
+		moveDown,
+		moveTop,
+		moveEnd
+	};
+protected:
+	int event(int event, void *data=0, void *data2=0);
+	void recalcSize();
+private:
+	int m_top, m_selected;
+	int m_itemheight;
+	int m_items_per_page;
+	ePtr<iListboxContent> m_content;
+};
+
+
+#endif